http://www.timesonline.co.uk/tol/news/science/genetics/article6952050.ece
If you mutate enough genes we become bananas. This is nothing really new.
If becoming bananas is anything like
going troppo (also known as mango madness), this surely belongs more to the realm of urban myth than science.
The author of the Times Online piece notes that practical application of these findings to humans is still quite a way off. Nevertheless, it's interesting news — if for no other reason than demonstrating, yet again, the enormous plasticity of human sexuality and the inadequacy of the male/female binary model in explaining it.
All joking aside, though, a short course of gene therapy would most definitely win out over painful and risky surgeries and/or medication with hormones.